GoodLayers vulnerabilities and threats

CVE-2026-28166 is a high-severity vulnerability in GoodLayers Tourmaster versions up to and including 5.4.9. It is an unauthenticated Cross-Site Scripting (XSS) flaw that allows improper neutralization of input during web page generation. This vulnerability can lead to partial confidentiality, integrity, and availability impacts. No official patch or remediation guidance is currently confirmed.

Subscriber Local File Inclusion in Tourmaster <= 5.4.5 versions.

Incorrect Privilege Assignment vulnerability in GoodLayers Goodlayers Core goodlayers-core allows Privilege Escalation.This issue affects Goodlayers Core: from n/a through < 2.1.7.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GoodLayers Modernize modernize allows Stored XSS.This issue affects Modernize: from n/a through <= 3.4.0.

Missing Authorization vulnerability in GoodLayers Modernize modernize allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Modernize: from n/a through <= 3.4.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GoodLayers Tourmaster tourmaster allows Reflected XSS.This issue affects Tourmaster: from n/a through < 5.4.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GoodLayers Goodlayers Blocks goodlayers-blocks allows Reflected XSS.This issue affects Goodlayers Blocks: from n/a through <= 1.0.1.

The Tour Master - Tour Booking, Travel, Hotel plugin for WordPress is vulnerable to time-based SQL Injection via the ‘review_id’ parameter in all versions up to, and including, 5.3.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Goodlayers Core plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘font-family’ parameter in all versions up to, and including, 2.0.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.